HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Reykjavik

$250+ Cheap flights from Illinois to Reykjavik (REK)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/23. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — REK
Feb 7 — Feb 141
Sat 2/7
Sat 2/14
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Illinois to Reykjavik with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Illinois to Reykjavik

Keep the following information in mind while searching for Illinois to Reykjavik flight deals. Data was last updated January 8, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$366
(AirNGo)

One-way from

$250
(Trip.com)

Popular in

December

Cheapest in

January

Average price

$515

Good round-trip deal

$433 or less

Good one-way deal

$385 or less
Provider with most accurate pricing for Chicago (CHI)-Reykjavik (REK) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Reykjavik (REK) flights.
Search Deals
From Illinois to Reykjavik (REK)
Search Deals
One-way flight from Illinois to Reykjavik (REK)
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Illinois to Reykjavik (REK).
Search Deals
Price to beat on a one-way flight from Illinois to Reykjavik (REK).
Search Deals

Find flight deals from Illinois to Reykjavik

Cheapest flights from Illinois to Reykjavik
Explore the most affordable flight options available from Illinois to Reykjavik. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 8, 2026.

This AirNGo deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure AirNGo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 1/196:30 pmORD - KEF
Nonstop6h 15mIcelandair
Wed 1/284:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 1/6$366
This CrystalTravel deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CrystalTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/246:30 pmORD - KEF
Nonstop6h 15mIcelandair
Fri 1/304:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 1/6$371
This Gotogate deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:25 pmORD - KEF
Nonstop6h 15mIcelandair
Sat 4/254:25 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 1/7$380
This Gotogate deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/207:25 pmORD - KEF
Nonstop6h 15mIcelandair
Sun 4/267:45 pmKEF - ORD
Nonstop6h 40mIcelandair
Deal found 1/7$381
This Gotogate deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 1/246:30 pmORD - KEF
Nonstop6h 15mIcelandair
Wed 1/284:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 1/8$382
This Mytrip deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/1710:25 pmORD - KEF
Nonstop6h 05mIcelandair
Tue 4/214:25 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 1/5$383
This Mytrip deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/206:30 pmORD - KEF
Nonstop6h 15mIcelandair
Sat 2/284:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 1/7$384
This oojo deal was found by Cheapflights users on 1/7. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/177:25 pmORD - KEF
Nonstop6h 15mIcelandair
Fri 4/247:45 pmKEF - ORD
Nonstop6h 40mIcelandair
Deal found 1/7$386
This FlightHub deal was found by Cheapflights users on 1/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/107:30 pmORD - KEF
Nonstop6h 15mIcelandair
Tue 3/174:30 pmKEF - ORD
Nonstop6h 50mIcelandair
Deal found 1/8$388
This Finnair deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/712:27 pmSTL - KEF
2 stops23h 03mMultiple Airlines
Mon 4/138:35 amKEF - STL
2 stops39h 55mMultiple Airlines
Deal found 1/6$506
This KLM deal was found by Cheapflights users on 1/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/1110:07 amSTL - KEF
2 stops18h 23mKLM
Sat 4/1811:25 amKEF - STL
2 stops17h 08mKLM
Deal found 1/6$594
This KLM deal was found by Cheapflights users on 1/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/15:12 pmMLI - KEF
2 stops35h 18mMultiple Airlines
Sun 5/108:50 amKEF - MLI
2 stops18h 41mMultiple Airlines
Deal found 1/5$612

Cheapflights Fare Finder

 
Customize your flight search to find flights from Illinois to Reykjavik that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
Use the filters below to find and compare flights from Illinois to Reykjavik that are best for you.

Fly from

Illinois

Fly to

Reykjavik

Route

Depart

Return

Price

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 1/28

6:30 pm-6:45 am

Nonstop6h 15m

Reykjavik Keflavik Intl

Tue 2/3

4:30 pm-5:20 pm

Nonstop6h 50m

$399

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Tue 4/7

12:27 pm-4:30 pm

2 stops23h 03m

Reykjavik Keflavik Intl

Mon 4/13

8:35 am-7:30 pm

2 stops39h 55m

$506

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Tue 5/19

9:30 pm-4:30 pm

1 stop14h 00m

Reykjavik Keflavik Intl

Wed 5/27

8:35 am-5:50 pm

1 stop14h 15m

$566

St. LouisReykjavik

STL - KEF

STLKEF

Lambert-St Louis

Sat 4/11

10:07 am-9:30 am

2 stops18h 23m

Reykjavik Keflavik Intl

Sat 4/18

11:25 am-11:33 pm

2 stops17h 08m

$594

MolineReykjavik

MLI - KEF

MLIKEF

Moline Quad-City

Fri 5/1

5:12 pm-9:30 am

2 stops35h 18m

Reykjavik Keflavik Intl

Sun 5/10

8:50 am-10:31 pm

2 stops18h 41m

$612

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Mon 2/2

7:20 pm-10:45 am

1 stop33h 25m

Reykjavik Keflavik Intl

Fri 2/6

11:30 am-4:45 pm

1 stop35h 15m

$629

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Tue 5/26

9:30 pm-4:30 pm

1 stop14h 00m

Reykjavik Keflavik Intl

Tue 6/2

8:35 am-5:50 pm

1 stop14h 15m

$633

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Thu 5/28

9:30 pm-4:25 pm

1 stop13h 55m

Reykjavik Keflavik Intl

Thu 6/11

5:15 pm-5:50 pm

1 stop29h 35m

$634

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Wed 5/13

9:30 pm-7:50 am

1 stop29h 20m

Reykjavik Keflavik Intl

Sun 5/17

5:15 pm-5:50 pm

1 stop29h 35m

$644

ChicagoReykjavik

ORD - KEF

ORDKEF

Chicago O'Hare Intl

Thu 5/7

9:30 pm-4:25 pm

1 stop13h 55m

Reykjavik Keflavik Intl

Fri 5/22

8:35 am-5:50 pm

1 stop14h 15m

$645

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/5

Showing 1-10 of 56 results
1
2
3
...
6

Best time to book a flight from Illinois to Reykjavik

Have a flexible travel schedule? Discover the best time to fly to Reykjavik from Illinois with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Illinois to Reykjavik

What is the cheapest month to book a flight from Illinois to Reykjavik?

Currently, September is the cheapest month in which you can book a flight from Illinois to Reykjavik (average of $313). Flying from Illinois to Reykjavik in July is currently the most expensive (average of $584). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IL to REK?

Find hourly flight availability from Illinois to Reykjavik. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 8, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Illinois to Reykjavik as you normally would.

How much does it cost to fly round-trip from Illinois to Reykjavik?

Related info for your journey

Find useful and relevant information for your journey from Illinois to Reykjavik. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Illinois to Reykjavik?

    Icelandair, Finnair, and KLM can get you from Illinois to Reykjavik in just under 6h 15m. Your travel time can differ by up to 12h 08m. The distance between Illinois and Reykjavik is about 2934 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Illinois to Reykjavik?

    When deciding which route to take from Illinois to Reykjavik consider Chicago O'Hare Intl - Reykjavik Keflavik Intl, Chicago Midway - Reykjavik Keflavik Intl or Lambert-St Louis - Reykjavik Keflavik Intl as they are the most popular.

  • What are the cheapest flights from Illinois to Reykjavik?

    While on average a flight from Illinois to Reykjavik is generally $1,372, our data shows the cheapest flight currently is $241. When looking at the most popular route, (Chicago O'Hare Intl - Reykjavik Keflavik Intl), you can expect to pay $366 for that flight.

  • Can I find deals for flights from Illinois to Reykjavik that include hotel bookings?

    Yes. In addition to deals on Illinois to Reykjavik flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Illinois to Reykjavik?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Illinois to Reykjavik.

  • Can I find deals for business class flights from Illinois to Reykjavik?

    Yes. Cheapflights offers flight deals from Illinois to Reykjavik by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Illinois to Reykjavik?

    Currently, September is the cheapest month in which you can book a flight from Illinois to Reykjavik (average of $313). Flying from Illinois to Reykjavik in July is currently the most expensive (average of $584). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Reykjavik?

Book flights to Reykjavik if you plan to visit one of these locations
Hveragerdi

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Illinois to Reykjavik

See prices for flight routes from nearby airports that may be better suited for you.
John F Kennedy Intl to Keflavik Intl flights
Newark to Keflavik Intl flights
LaGuardia to Keflavik Intl flights
Dulles Intl to Keflavik Intl flights
Boston to Keflavik Intl flights
Baltimore to Keflavik Intl flights
O'Hare Intl to Keflavik Intl flights
Reagan-National to Keflavik Intl flights
Detroit to Keflavik Intl flights
Los Angeles to Keflavik Intl flights
Dallas/Fort Worth to Keflavik Intl flights
San Francisco to Keflavik Intl flights
Orlando to Keflavik Intl flights
Denver to Keflavik Intl flights
Seattle to Keflavik Intl flights
Hobby to Keflavik Intl flights
Atlanta to Keflavik Intl flights
Midway to Keflavik Intl flights
Minneapolis to Keflavik Intl flights
Love Field to Keflavik Intl flights
Philadelphia to Keflavik Intl flights
Raleigh to Keflavik Intl flights
George Bush Intcntl to Keflavik Intl flights
Burbank to Keflavik Intl flights
Las Vegas to Keflavik Intl flights
Santa Ana to Keflavik Intl flights
San Jose to Keflavik Intl flights
Oakland to Keflavik Intl flights
Ontario to Keflavik Intl flights
Pittsburgh to Keflavik Intl flights
Miami to Keflavik Intl flights
Nashville to Keflavik Intl flights
Charlotte to Keflavik Intl flights
Portland to Keflavik Intl flights
Sky Harbor Intl to Keflavik Intl flights
San Diego to Keflavik Intl flights
Salt Lake City to Keflavik Intl flights
Austin to Keflavik Intl flights
Tampa to Keflavik Intl flights
Cincinnati to Keflavik Intl flights
Fort Lauderdale to Keflavik Intl flights
St. Louis to Keflavik Intl flights
Cleveland to Keflavik Intl flights
Jacksonville to Keflavik Intl flights
Kansas City to Keflavik Intl flights
Charleston to Keflavik Intl flights
Indianapolis to Keflavik Intl flights
Columbus to Keflavik Intl flights
Richmond to Keflavik Intl flights
Sacramento to Keflavik Intl flights

Top 2 airlines flying from Illinois to Reykjavik

Discover the top 2 airlines that operate flights from Illinois to Reykjavik. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 8, 2026.
AirlineCheapestAverageFlexibilityOn-time
IcelandairCheapest$351Average$651FlexibilityNo cancel feeOn-time76%
United AirlinesCheapest$612Average$994FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.